Power
(Built-in Mathematica Symbol) x^y gives x to the power y.
ArcCosh
(Built-in Mathematica Symbol) ArcCosh[z] gives the inverse hyperbolic cosine cosh -1 (z) of the complex number z.
Floor
(Built-in Mathematica Symbol) Floor[x] gives the greatest integer less than or equal to x. Floor[x, a] gives the greatest multiple of a less than or equal to x.
Distribute[f[x_1, x_2, ...]] distributes f over Plus appearing in any of the x_i. Distribute[expr, g] distributes over g. Distribute[expr, g, f] performs the distribution ...
JacobiCD[u, m] gives the Jacobi elliptic function cd(u | m).
JacobiCS[u, m] gives the Jacobi elliptic function cs(u | m).
JacobiDC[u, m] gives the Jacobi elliptic function dc(u | m).
JacobiNC[u, m] gives the Jacobi elliptic function nc(u | m).
JacobiNS[u, m] gives the Jacobi elliptic function ns(u | m).
JacobiSC[u, m] gives the Jacobi elliptic function sc(u | m).